package com.heima.admin.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdUserMapper;
import com.heima.admin.service.AdUserService;
import com.heima.common.exception.ExceptionCatch.CustException;
import com.heima.common.exception.ExceptionCatch.CustomException;
import com.heima.model.common.dtos.AdUserDTO;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.common.pojos.AdUser;
import com.heima.model.common.vos.AdUserVO;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.bouncycastle.crypto.Digest;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Service
public class AdUserServiceImpl extends ServiceImpl<AdUserMapper, AdUser> implements AdUserService {
    @Transactional
    @Override
    public ResponseResult login(AdUserDTO dto) {
        //1.校验参数
        String name = dto.getName();
        String password = dto.getPassword();
        if (StringUtils.isBlank(name)||StringUtils.isBlank(password)){
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"用户名或者密码不能为空");
        }
        //2.根据用户名查询用户
        AdUser user = this.getOne(Wrappers.<AdUser>lambdaQuery().eq(AdUser::getName, name));
           if (user==null){
               CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
           }
        //3.对比密码是否一致  输入密码+岩
        String intPwd = DigestUtils.md5DigestAsHex((password + user.getSalt()).getBytes());
           if (!intPwd.equals(user.getPassword())){
               CustException.cust(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR,"密码输入有误");
           }
        //4.判断用户状态是否为9
        if (user.getStatus().intValue()!=9){
            CustException.cust(AppHttpCodeEnum.LOGIN_STATUS_ERROR);
        }
        //5.重新设置login time
        user.setLoginTime(new Date());
        updateById(user);
        //6.颁发token（有token  有user）
        String token = AppJwtUtil.getToken(Long.valueOf(user.getId()));
        AdUserVO adUserVO = new AdUserVO();
        BeanUtils.copyProperties(user,adUserVO);
        Map result  = new HashMap<>();
       result.put("token",token);
       result.put("user",adUserVO);
        return ResponseResult.okResult(result);
    }
}
